1/*
2 * Copyright (C) 2024 HiHope Open Source Organization.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <cerrno>
17#include <cstdio>
18#include <cstdlib>
19#include <string>
20#include <vector>
21#include <fcntl.h>
22#include <unistd.h>
23#include <gtest/gtest.h>
24#include <sys/stat.h>
25#include <sys/types.h>
26#include "securec.h"
27
28using namespace testing::ext;
29using namespace std;
30
31static const int PATH_MAX_LEN = 128;
32static const char *TEST_FILE_PATH = "/data/local/tmp";
33static const char *TEST_FILE = "/data/local/tmp/test.txt";
34static const char *TEST_FILE_NAME = "test.txt";
35static const char *TEST_NOT_EXIST_FILE = "/data/local/tmp/NotExist.txt";
36static const char *TEST_NOT_EXIST_FILE_NAME = "NotExist.txt";
37
38class FaccessatApiTest : public testing::Test {
39public:
40    static void SetUpTestCase();
41    static void TearDownTestCase();
42    void SetUp();
43    void TearDown();
44private:
45};
46void FaccessatApiTest::SetUp()
47{
48}
49void FaccessatApiTest::TearDown()
50{
51}
52void FaccessatApiTest::SetUpTestCase()
53{
54}
55void FaccessatApiTest::TearDownTestCase()
56{
57}
58
59/*
60 * @tc.number : SUB_KERNEL_SYSCALL_FACCESSAT_0100
61 * @tc.name   : FaccessatCheckSuccess_0001
62 * @tc.desc   : faccessat checks the calling process can access the file in current directory successful.
63 * @tc.size   : MediumTest
64 * @tc.type   : Function
65 * @tc.level  : Level 1
66 */
67HWTEST_F(FaccessatApiTest, FaccessatCheckSuccess_0001, Function | MediumTest | Level1)
68{
69    int ret;
70    char path[PATH_MAX_LEN];
71    char *dir = getcwd(path, sizeof(path));
72    EXPECT_NE(dir, nullptr);
73    if (access(TEST_FILE_PATH, F_OK) != 0) {
74        ret = mkdir(TEST_FILE_PATH, 0755);
75        EXPECT_EQ(ret, 0);
76    }
77    ret = chdir(TEST_FILE_PATH);
78    EXPECT_EQ(ret, 0);
79    if (access(TEST_FILE_NAME, F_OK) == -1) {
80        FILE *fp = fopen(TEST_FILE_NAME, "w");
81        EXPECT_NE(fp, nullptr);
82        fclose(fp);
83    }
84    ret = faccessat(AT_FDCWD, TEST_FILE_NAME, F_OK, AT_EACCESS);
85    EXPECT_EQ(ret, 0);
86
87    remove(TEST_FILE);
88    chdir(path);
89}
90
91/*
92 * @tc.number : SUB_KERNEL_SYSCALL_FACCESSAT_0200
93 * @tc.name   : FaccessatPermissionCheckTest_0002
94 * @tc.desc   : faccessat check user's permissions of valid fd success.
95 * @tc.size   : MediumTest
96 * @tc.type   : Function
97 * @tc.level  : Level 1
98 */
99HWTEST_F(FaccessatApiTest, FaccessatPermissionCheckTest_0002, Function | MediumTest | Level1)
100{
101    int ret;
102    int fd = open(TEST_FILE, O_RDWR | O_CREAT, 0755);
103    EXPECT_TRUE(fd > 0);
104
105    ret = faccessat(fd, TEST_FILE, F_OK, AT_EACCESS);
106    EXPECT_TRUE(ret == 0);
107
108    ret = faccessat(fd, TEST_FILE, R_OK, AT_EACCESS);
109    EXPECT_TRUE(ret == 0);
110
111    ret = faccessat(fd, TEST_FILE, W_OK, AT_EACCESS);
112    EXPECT_TRUE(ret == 0);
113
114    ret = faccessat(fd, TEST_FILE, X_OK, AT_EACCESS);
115    EXPECT_TRUE(ret == 0);
116
117    close(fd);
118    remove(TEST_FILE);
119}
120
121/*
122 * @tc.number : SUB_KERNEL_SYSCALL_FACCESSAT_0300
123 * @tc.name   : FaccessatCheckInvalidFdFail_0003
124 * @tc.desc   : faccessat check invalid fd permission fail, errno ENOENT.
125 * @tc.size   : MediumTest
126 * @tc.type   : Function
127 * @tc.level  : Level 2
128 */
129HWTEST_F(FaccessatApiTest, FaccessatCheckInvalidFdFail_0003, Function | MediumTest | Level2)
130{
131    int ret;
132    int invalidFd = -1;
133    errno = 0;
134    ret = faccessat(invalidFd, TEST_NOT_EXIST_FILE, F_OK, AT_EACCESS);
135    EXPECT_EQ(ret, -1);
136    EXPECT_EQ(errno, ENOENT);
137}
138
139/*
140 * @tc.number : SUB_KERNEL_SYSCALL_FACCESSAT_0400
141 * @tc.name   : FaccessatCheckFail_0004
142 * @tc.desc   : faccessat check non-exist file permission fail, errno ENOENT.
143 * @tc.size   : MediumTest
144 * @tc.type   : Function
145 * @tc.level  : Level 2
146 */
147HWTEST_F(FaccessatApiTest, FaccessatCheckFail_0004, Function | MediumTest | Level2)
148{
149    errno = 0;
150    int ret = faccessat(AT_FDCWD, TEST_NOT_EXIST_FILE_NAME, W_OK, AT_EACCESS);
151    EXPECT_EQ(ret, -1);
152    EXPECT_EQ(errno, ENOENT);
153}
154